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Add properties to disable top/bottom cap generation in CylinderMesh

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Hugo Locurcio 2022-05-20 00:17:51 +02:00
parent 410893ad0f
commit d23071cae3
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GPG key ID: 39E8F8BE30B0A49C
3 changed files with 49 additions and 7 deletions
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12
doc/classes/CylinderMesh.xml
View file

@ -10,7 +10,15 @@
</tutorials>
<members>
<member name="bottom_radius" type="float" setter="set_bottom_radius" getter="get_bottom_radius" default="0.5">
Bottom radius of the cylinder. If set to [code]0.0[/code], the bottom faces will not be generated, resulting in a conic shape.
Bottom radius of the cylinder. If set to [code]0.0[/code], the bottom faces will not be generated, resulting in a conic shape. See also [member cap_bottom].
</member>
<member name="cap_bottom" type="bool" setter="set_cap_bottom" getter="is_cap_bottom" default="true">
If [code]true[/code], generates a cap at the bottom of the cylinder. This can be set to [code]false[/code] to speed up generation and rendering when the cap is never seen by the camera. See also [member bottom_radius].
[b]Note:[/b] If [member bottom_radius] is [code]0.0[/code], cap generation is always skipped even if [member cap_bottom] is [code]true[/code].
</member>
<member name="cap_top" type="bool" setter="set_cap_top" getter="is_cap_top" default="true">
If [code]true[/code], generates a cap at the top of the cylinder. This can be set to [code]false[/code] to speed up generation and rendering when the cap is never seen by the camera. See also [member top_radius].
[b]Note:[/b] If [member top_radius] is [code]0.0[/code], cap generation is always skipped even if [member cap_top] is [code]true[/code].
</member>
<member name="height" type="float" setter="set_height" getter="get_height" default="2.0">
Full height of the cylinder.
@ -22,7 +30,7 @@
Number of edge rings along the height of the cylinder. Changing [member rings] does not have any visual impact unless a shader or procedural mesh tool is used to alter the vertex data. Higher values result in more subdivisions, which can be used to create smoother-looking effects with shaders or procedural mesh tools (at the cost of performance). When not altering the vertex data using a shader or procedural mesh tool, [member rings] should be kept to its default value.
</member>
<member name="top_radius" type="float" setter="set_top_radius" getter="get_top_radius" default="0.5">
Top radius of the cylinder. If set to [code]0.0[/code], the top faces will not be generated, resulting in a conic shape.
Top radius of the cylinder. If set to [code]0.0[/code], the top faces will not be generated, resulting in a conic shape. See also [member cap_top].
</member>
</members>
</class>

34
scene/resources/primitive_meshes.cpp
View file

@ -745,10 +745,10 @@ BoxMesh::BoxMesh() {}
*/
void CylinderMesh::_create_mesh_array(Array &p_arr) const {
create_mesh_array(p_arr, top_radius, bottom_radius, height, radial_segments, rings);
create_mesh_array(p_arr, top_radius, bottom_radius, height, radial_segments, rings, cap_top, cap_bottom);
}
void CylinderMesh::create_mesh_array(Array &p_arr, float top_radius, float bottom_radius, float height, int radial_segments, int rings) {
void CylinderMesh::create_mesh_array(Array &p_arr, float top_radius, float bottom_radius, float height, int radial_segments, int rings, bool cap_top, bool cap_bottom) {
int i, j, prevrow, thisrow, point;
float x, y, z, u, v, radius;
@ -806,7 +806,7 @@ void CylinderMesh::create_mesh_array(Array &p_arr, float top_radius, float botto
};
// add top
if (top_radius > 0.0) {
if (cap_top && top_radius > 0.0) {
y = height * 0.5;
thisrow = point;
@ -842,7 +842,7 @@ void CylinderMesh::create_mesh_array(Array &p_arr, float top_radius, float botto
};
// add bottom
if (bottom_radius > 0.0) {
if (cap_bottom && bottom_radius > 0.0) {
y = height * -0.5;
thisrow = point;
@ -897,11 +897,19 @@ void CylinderMesh::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_rings", "rings"), &CylinderMesh::set_rings);
ClassDB::bind_method(D_METHOD("get_rings"), &CylinderMesh::get_rings);
ClassDB::bind_method(D_METHOD("set_cap_top", "cap_top"), &CylinderMesh::set_cap_top);
ClassDB::bind_method(D_METHOD("is_cap_top"), &CylinderMesh::is_cap_top);
ClassDB::bind_method(D_METHOD("set_cap_bottom", "cap_bottom"), &CylinderMesh::set_cap_bottom);
ClassDB::bind_method(D_METHOD("is_cap_bottom"), &CylinderMesh::is_cap_bottom);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "top_radius", PROPERTY_HINT_RANGE, "0,100,0.001,or_greater,suffix:m"), "set_top_radius", "get_top_radius");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "bottom_radius", PROPERTY_HINT_RANGE, "0,100,0.001,or_greater,suffix:m"), "set_bottom_radius", "get_bottom_radius");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "height", PROPERTY_HINT_RANGE, "0.001,100,0.001,or_greater,suffix:m"), "set_height", "get_height");
ADD_PROPERTY(PropertyInfo(Variant::INT, "radial_segments", PROPERTY_HINT_RANGE, "1,100,1,or_greater"), "set_radial_segments", "get_radial_segments");
ADD_PROPERTY(PropertyInfo(Variant::INT, "rings", PROPERTY_HINT_RANGE, "1,100,1,or_greater"), "set_rings", "get_rings");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "cap_top"), "set_cap_top", "is_cap_top");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "cap_bottom"), "set_cap_bottom", "is_cap_bottom");
}
void CylinderMesh::set_top_radius(const float p_radius) {
@ -949,6 +957,24 @@ int CylinderMesh::get_rings() const {
return rings;
}
void CylinderMesh::set_cap_top(bool p_cap_top) {
cap_top = p_cap_top;
_request_update();
}
bool CylinderMesh::is_cap_top() const {
return cap_top;
}
void CylinderMesh::set_cap_bottom(bool p_cap_bottom) {
cap_bottom = p_cap_bottom;
_request_update();
}
bool CylinderMesh::is_cap_bottom() const {
return cap_bottom;
}
CylinderMesh::CylinderMesh() {}
/**

10
scene/resources/primitive_meshes.h
View file

@ -183,13 +183,15 @@ private:
float height = 2.0;
int radial_segments = 64;
int rings = 4;
bool cap_top = true;
bool cap_bottom = true;
protected:
static void _bind_methods();
virtual void _create_mesh_array(Array &p_arr) const override;
public:
static void create_mesh_array(Array &p_arr, float top_radius, float bottom_radius, float height, int radial_segments = 64, int rings = 4);
static void create_mesh_array(Array &p_arr, float top_radius, float bottom_radius, float height, int radial_segments = 64, int rings = 4, bool cap_top = true, bool cap_bottom = true);
void set_top_radius(const float p_radius);
float get_top_radius() const;
@ -206,6 +208,12 @@ public:
void set_rings(const int p_rings);
int get_rings() const;
void set_cap_top(bool p_cap_top);
bool is_cap_top() const;
void set_cap_bottom(bool p_cap_bottom);
bool is_cap_bottom() const;
CylinderMesh();
};